zakaria coming to you from davos, switzerland. you know, davos is often caricatured but i find ituuseful. wherevercould you meet leaders from all over the world in an informal setting for over four days. that has been the case for the two extraordinary interviews i have for you. the first is with larry summers the head of the economic council at the white house and the second is foreign minister mottaki. i remembered back a year ago in davos when the entire financial world was in a state of shock. the global financial system was crippled and the global economy was in its most significant contraction in 50 years and gloom was pervasive. this year, the financial system has stabilized, almost every major economy in the world is beginning to grow again and few political and social upheavals as a consequence of the crash of 2008. so, that should be reason enough to cheer loudly, right? but the mood at davos is unease. there is a general perception that we're entering a new world. the advance industrial world has staved off catastrophe but at great costs. debt deficits. the old certainties ab